{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "cell type", "cell line", "RNA", "DNA"], "input": "Activation of PKC has been implicated in the regulation of certain immediate early response genes , and in the present studies, TPA rapidly induced c-fos and c-jun gene expression ."}
{"protein": ["PKC"], "cell type": [], "cell line": [], "RNA": [], "DNA": ["immediate early response genes", "c-fos", "c-jun gene expression"]}